Testing The Gas Supply System; Gas Connections; Orifice Size Requirements For Different Elevations - Vulcan-Hart EG160 Service Manual

GAS CONNECTIONS (Cont.)
NOTE: A leak limiter is supplied with every regulator to allow excess gas pressure to escape. Do not obstruct leak
limiter on gas pressure regulator as obstruction may cause regulator to malfunction.
WARNING: PRIOR TO LIGHTING, CHECK ALL JOINTS IN THE GAS SUPPLY LINE FOR LEAKS. USE SOAP AND
WATER SOLUTION. DO NOT USE AN OPEN FLAME.
After piping has been checked for leaks, all piping receiving gas should be fully purged to remove air.

TESTING THE GAS SUPPLY SYSTEM

IMPORTANT: When test pressures exceed
disconnected from the gas supply piping system.
When test pressures are
individual manual shutoff valve.
INPUT AT SEA LEVEL
PER BURNER (BTU'S)
ORIFICE SIZE
SEA LEVEL
TO
2000 FT
2000 FT
TO
4000 FT
4000 FT
TO
6000 FT
6000 FT
TO
8000 FT
1
⁄
2
1 ⁄ psig (3.45 kPa) or less, the range must be isolated from the gas supply system by closing its
2
ORIFICE SIZE REQUIREMENTS
FOR DIFFERENT ELEVATIONS
FOR RESTAURANT RANGE
OPEN TOP HOT TOP
17,500 20,000
5.124 kW 5.856 kW
NAT/PROP NAT/PROP
Drill Drill
47/56 44/55
mm mm
2.00/1.5 2.20/1.35
Drill Drill
48/56 45/55
mm mm
1.95/1.15 2.10/1.35
Drill Drill
49/57 46/56
mm mm
1.48/1.10 2.05/1.15
Drill Drill
50/58 47/57
mm mm
1.80/1.05 2.00/1.10
psig (3.45 kPa), the range and its individual shutoff valve must be
GRIDDLE
15,000
4.392 kW
NAT/PROP
Drill
48/57
mm
1.95/1.10
Drill
49/58
mm
1.85/1.05
Drill
50/60
mm
1.80/1.00
Drill
51/63
mm
1.70/0.9
– 12 –
BRO/GRID OVEN
(STD)
10,000 30,000
2.928 kW 8.784 kW
NAT/PROP NAT/PROP
Drill Drill
52/62 36/52
mm mm
1.60/1.00 2.7/1.60
Drill Drill
53/65 39/53
mm mm
1.50/0.9 2.50/1.50
Drill Drill
53/66 40/54
mm mm
1.50/0.8 2.50/1.40
Drill Drill
54/67 41/55
mm mm
1.40/0.8 2.45/1.35